Shockproof insulating material casing. Internal visual and acoustic alarms. Additional acoustic signal. Sicurgas has three warning lights: green LED – indicates that the detector works properly, yellow LED – indicates detector failure, red LED – indicates the gas presence in the environment (ALARM). Semiconductor sensor for carbon monoxide detection. Admissible humidity (without condensation): from 30 to 80% UR. Unit weight: 0,41 Kg. Electric featuresPower supply: 230Vac 50Hz. Consumption: 3 VA. Output through electromagnetic relay. Contacts rating: 5(3)A – 250Vac.